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(11)

EP 3 893 738 A1

(12)

(43) Date of publication: 20.10.2021 Bulletin 2021/42 (21) Application number: 18942892.3 (22) Date of filing: 13.12.2018

(51) International Patent Classification (IPC):  A61B 5/01(2006.01) (52) Cooperative Patent Classification (CPC): A61B 5/24; A61B 5/25; A61B 5/7228; G16H 40/67; A61B 5/7225; A61B 5/0022; A61B 5/6833; A61B 5/14532; A61B 2560/0412; A61B 2560/0214; A61B 5/02055; A61B 5/01 (86) International application number: PCT/CN2018/120822 (87) International publication number: WO 2020/118598 (18.06.2020 Gazette 2020/25)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Wuhan United Imaging Healthcare Surgical Technology Co., Ltd. Hubei 430073 (CN)	(72) Inventors: HE, Zhuobiao Shanghai 201807 (CN) LI, Dun Alex Shanghai 201807 (CN) XING, Yao Shanghai 201807 (CN) YUAN, Mingjun Shanghai 201807 (CN) CHEN, Yifeng Shanghai 201807 (CN) DENG, Zhaohui Shanghai 201807 (CN) YOU, Jinjin Shanghai 201807 (CN) (74) Representative: Penza, Giancarlo  Bugnion S.p.A. Viale Lancetti, 17 20158 Milano 20158 Milano (IT)